diff --git a/src/mockapi/core/delay.py b/src/mockapi/core/delay.py
index c0a0567..f7dc324 100644
--- a/src/mockapi/core/delay.py
+++ b/src/mockapi/core/delay.py
@@ -20,15 +20,7 @@ class DelayMiddleware(BaseHTTPMiddleware):
         min_delay: int = 100,
         max_delay: int = 2000,
     ):
-        """Initialize the delay middleware.
-
-        Args:
-            app: The ASGI application
-            delay: Fixed delay in milliseconds
-            random_delay: Use random delays
-            min_delay: Minimum delay in ms (for random mode)
-            max_delay: Maximum delay in ms (for random mode)
-        """
+        """Initialize the delay middleware."""
         super().__init__(app)
         self.delay = delay
         self.random_delay = random_delay
@@ -50,16 +42,7 @@ class DelayMiddleware(BaseHTTPMiddleware):
 
     @staticmethod
     def wrap(app, delay: int = 0, random_delay: bool = False) -> "DelayMiddleware":
-        """Wrap an app with delay middleware.
-
-        Args:
-            app: The application to wrap
-            delay: Fixed delay in milliseconds
-            random_delay: Use random delays
-
-        Returns:
-            Wrapped application
-        """
+        """Wrap an app with delay middleware."""
         return DelayMiddleware(app, delay=delay, random_delay=random_delay)
 
 
@@ -71,21 +54,12 @@ class ErrorSimulator:
         error_probability: float = 0.0,
         default_error_code: int = 500,
     ):
-        """Initialize the error simulator.
-
-        Args:
-            error_probability: Probability of returning an error (0.0 to 1.0)
-            default_error_code: Default HTTP error code
-        """
+        """Initialize the error simulator."""
         self.error_probability = error_probability
         self.default_error_code = default_error_code
 
     def should_return_error(self) -> bool:
-        """Determine if an error should be returned.
-
-        Returns:
-            True if error should be returned
-        """
+        """Determine if an error should be returned."""
         return random.random() < self.error_probability
 
     def get_error_response(
@@ -93,16 +67,8 @@ class ErrorSimulator:
         status_code: Optional[int] = None,
         message: Optional[str] = None,
     ) -> tuple:
-        """Get an error response tuple.
-
-        Args:
-            status_code: HTTP status code
-            message: Error message
-
-        Returns:
-            Tuple of (body_dict, status_code)
-        """
+        """Get an error response tuple."""
         return (
             {"error": message or "Simulated error"},
             status_code or self.default_error_code,
-        )
\ No newline at end of file
+        )